IT201700121364A1 - Apparato e metodo per il trattamento di vapori di processo provenienti da una sezione di concentrazione sottovuoto di un impianto urea - Google Patents

Apparato e metodo per il trattamento di vapori di processo provenienti da una sezione di concentrazione sottovuoto di un impianto urea

Info

Publication number
IT201700121364A1
IT201700121364A1 IT102017000121364A IT201700121364A IT201700121364A1 IT 201700121364 A1 IT201700121364 A1 IT 201700121364A1 IT 102017000121364 A IT102017000121364 A IT 102017000121364A IT 201700121364 A IT201700121364 A IT 201700121364A IT 201700121364 A1 IT201700121364 A1 IT 201700121364A1
Authority
IT
Italy
Prior art keywords
vacuum concentration
concentration section
urea plant
processing processed
vapors
Prior art date
Application number
IT102017000121364A
Other languages
English (en)
Inventor
Cristina Cerrone
Jacopo Cedrati
Original Assignee
Saipem Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saipem Spa filed Critical Saipem Spa
Priority to IT102017000121364A priority Critical patent/IT201700121364A1/it
Priority to RU2020116659A priority patent/RU2793127C2/ru
Priority to US16/652,607 priority patent/US11376542B2/en
Priority to CN201880063770.7A priority patent/CN111163851A/zh
Priority to JP2020524034A priority patent/JP7267273B2/ja
Priority to PCT/IB2018/058337 priority patent/WO2019082121A1/en
Priority to EP18807122.9A priority patent/EP3700647A1/en
Publication of IT201700121364A1 publication Critical patent/IT201700121364A1/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/10—Vacuum distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1406—Multiple stage absorption
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/10—Inorganic absorbents
    • B01D2252/103—Water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/406—Ammonia
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
IT102017000121364A 2017-10-25 2017-10-25 Apparato e metodo per il trattamento di vapori di processo provenienti da una sezione di concentrazione sottovuoto di un impianto urea IT201700121364A1 (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT102017000121364A IT201700121364A1 (it) 2017-10-25 2017-10-25 Apparato e metodo per il trattamento di vapori di processo provenienti da una sezione di concentrazione sottovuoto di un impianto urea
RU2020116659A RU2793127C2 (ru) 2017-10-25 2018-10-25 Устройство и способ для обработки технологических паров, поступающих из секции вакуумного концентрирования установки производства мочевины
US16/652,607 US11376542B2 (en) 2017-10-25 2018-10-25 Apparatus and method for treatment of process vapours coming from a vacuum concentration section of a urea plant
CN201880063770.7A CN111163851A (zh) 2017-10-25 2018-10-25 处理来自尿素装置的真空浓缩段的工艺蒸汽的装置和方法
JP2020524034A JP7267273B2 (ja) 2017-10-25 2018-10-25 尿素プラントの真空濃縮セクションから来るプロセス蒸気の処理のための装置及び方法
PCT/IB2018/058337 WO2019082121A1 (en) 2017-10-25 2018-10-25 APPARATUS AND METHOD FOR PROCESSING PROCESS VAPORS FROM A VACUUM CONCENTRATION SECTION OF A UREA FACTORY
EP18807122.9A EP3700647A1 (en) 2017-10-25 2018-10-25 Apparatus and method for treatment of process vapours coming from a vacuum concentration section of a urea plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102017000121364A IT201700121364A1 (it) 2017-10-25 2017-10-25 Apparato e metodo per il trattamento di vapori di processo provenienti da una sezione di concentrazione sottovuoto di un impianto urea

Publications (1)

Publication Number Publication Date
IT201700121364A1 true IT201700121364A1 (it) 2019-04-25

Family

ID=61526945

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102017000121364A IT201700121364A1 (it) 2017-10-25 2017-10-25 Apparato e metodo per il trattamento di vapori di processo provenienti da una sezione di concentrazione sottovuoto di un impianto urea

Country Status (6)

Country Link
US (1) US11376542B2 (it)
EP (1) EP3700647A1 (it)
JP (1) JP7267273B2 (it)
CN (1) CN111163851A (it)
IT (1) IT201700121364A1 (it)
WO (1) WO2019082121A1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4559562A1 (en) * 2023-11-23 2025-05-28 Yara International ASA System and method for reducing ammonia emissions in an industrial plant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682499A (en) * 1950-03-20 1954-06-29 Kraft Foods Co High vacuum distillation and drying system
US3985523A (en) * 1974-09-30 1976-10-12 Foster Wheeler Energy Corporation Pollution control process for fertilizer plant
US4003801A (en) * 1974-05-14 1977-01-18 Mitsui Toatsu Chemicals, Incorporated Treatment of water vapor generated in concentrating an aqueous urea solution
EP0302213A1 (en) * 1987-08-04 1989-02-08 Ammonia Casale S.A. Process for the recovery of urea entrained by vapours in vacuum concentration systems
US5744009A (en) * 1995-07-07 1998-04-28 The M. W. Kellogg Company Method and apparatus for recovering condensables in vapor from a urea vacuum evaporator

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1070930A (en) * 1974-09-30 1980-02-05 Philip F. Kaupas Pollution control process for fertilizer plant
US4231839A (en) * 1979-01-30 1980-11-04 Cf Industries, Inc. After-treatment processes and apparatus, especially for urea and ammonium nitrate plants
US4256662A (en) * 1980-01-18 1981-03-17 Gorlovsky David M Process for producing urea
US5276183A (en) * 1991-01-29 1994-01-04 Urea Casale S.A. Process and plant for the production of urea
US6427453B1 (en) * 1998-07-31 2002-08-06 The Texas A&M University System Vapor-compression evaporative air conditioning systems and components
FR2788994B1 (fr) * 1999-01-28 2001-04-20 Sirven Procede et installation pour l'epuration chimique de la vapeur dans un deshydrateur a compression mecanique de la vapeur
EP1188710A3 (en) * 2000-09-15 2003-10-29 Haldor Topsoe A/S Process for the integrated preparation of ammonia and urea
JP4358428B2 (ja) 2000-11-01 2009-11-04 東洋エンジニアリング株式会社 尿素製造方法
NL1019081C2 (nl) * 2001-10-01 2003-04-02 Dsm Nv Werkwijze voor de bereiding van ureum.
ATE500887T1 (de) * 2003-09-19 2011-03-15 Urea Casale Sa Karbamatkondensationsverfahren
NL1026607C2 (nl) 2004-07-07 2006-01-10 Dsm Ip Assets Bv Werkwijze voor de bereiding van ureum.
EP1975151A1 (en) * 2007-03-29 2008-10-01 Urea Casale S.A. Method for modernizing a urea production plant
WO2008141784A2 (de) 2007-05-21 2008-11-27 Uhde Gmbh Verfahren zum kühlen eines wasserstoff und wasserdampf enthaltenden prozessgases aus einer wasserstoffgewinnungsanlage
EP2199279A1 (en) * 2008-12-17 2010-06-23 Urea Casale S.A. Improvement to the high-pressure loop in a process for synthesis of urea
EA201890452A1 (ru) * 2015-09-08 2018-08-31 Тойо Инджиниринг Корпорейшн Способ получения мочевины и установка для получения мочевины
EP3898579B1 (en) * 2018-12-21 2024-07-03 Stamicarbon B.V. Urea production process and plant with heat integration in low pressure recovery section

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682499A (en) * 1950-03-20 1954-06-29 Kraft Foods Co High vacuum distillation and drying system
US4003801A (en) * 1974-05-14 1977-01-18 Mitsui Toatsu Chemicals, Incorporated Treatment of water vapor generated in concentrating an aqueous urea solution
US3985523A (en) * 1974-09-30 1976-10-12 Foster Wheeler Energy Corporation Pollution control process for fertilizer plant
EP0302213A1 (en) * 1987-08-04 1989-02-08 Ammonia Casale S.A. Process for the recovery of urea entrained by vapours in vacuum concentration systems
US5744009A (en) * 1995-07-07 1998-04-28 The M. W. Kellogg Company Method and apparatus for recovering condensables in vapor from a urea vacuum evaporator

Also Published As

Publication number Publication date
RU2020116659A (ru) 2021-11-25
WO2019082121A1 (en) 2019-05-02
JP7267273B2 (ja) 2023-05-01
RU2020116659A3 (it) 2022-04-14
JP2021500396A (ja) 2021-01-07
EP3700647A1 (en) 2020-09-02
US11376542B2 (en) 2022-07-05
US20200254377A1 (en) 2020-08-13
CN111163851A (zh) 2020-05-15

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